Educational Background 　　2002-2005 Ph.D. in Distributed Parameter System,Beijing Institute of Information and Control, China Aerospace Science and Technology Corporation.
　　1999-2002 M.S in Functional Analysis, Department of Mathematics and Computer Science, Guangxi Normal University.
　　1995-1999 B.S in Mathematics, Department of Mathematics, Nanjing Normal University (Branch Campus in ZhenJiang City).

Working Experience 2005.7- Present: working in School of Mathematics and Statistics, Beijing Institute of Technology.

Teachings 2005.7- Present: Teaching in School of Mathematics and Statistics, Beijing Institute of Technology.

Publications [1] Houbao Xu and Weihua Guo. Asymptotic stability of a parallel repairable system with warm standby. International Journal of Systems Science. 2004, 35(12): 685-692.
[2] Houbao XU, Jingyuan YU and Guangtian ZHU. Asymptotic property of a reparable multi-state device. Quarterly of Applied Mathematics. 2005, LXIII(4): 779-789.
[3]. Helong Liu, Houbao Xu, Jingyuan Yu, Guangtian Zhu. Stability results on age-structured SIS epidemic model with coupling impulsive effect. Journal: Discrete Dynamics in Nature and Society. 2006, Paper ID 83489, 1–11.
[4] Helong Liu, Houbao Xu, Jingyuan Yu, Guangtian Zhu. Global asymptotic stability for the SIV epidemic with impulsive vaccination and infection age. Journal of Biological Systems. 2006, (1): 43-51.
[5]. Xu Houbao. Stability analysis of a k-out-of-N:G reparable system. ANZIAM J. 2006, 48(3), 271-284.
[6]. Hu Weiwei, Xu Houbao. Exponential stability of a reparable multi-state device. Journal of System Science and Complexity. 2007, (20):437-443.
[7] Houbao XU, Weiwei HU. Availability of optimisation of repairable system with preventive maintenance policy. International Journal of Systems Science. 2008, 39(6): 655-664.
[8] Houbao Xu, Modelling and well-posed analysis for software system with rejuvenation, Mathematical and Computer Modelling of Dynamical Systems,17(6), pp 583-600, 2011.
[9] Guo Lina, Xu Houbao, Gao Cao, and Zhu Guangtian, Stability analysis of a new kind n-unit series repairable system. Applied Mathematical Modelling, 35, pp 202-217, 2011.
[10] Guo, Lina, Xu, Houbao、Gao, Chao、Zhu, Guangtian, Further research of a new kind of series repairable system, Journal of Systems Science and Complexity, 25(4), pp 744-758, 2012.
[11] Houbao Xu, Weiwei Hu, Analysis and approximation of a reliable model, Applied Mathematical Modelling, 37, pp 3777-3788, 2013.
[12] Houbao Xu, Weiwei Hu, Numerical Analysis of a Reparable Multi-State Device, 2013 9th Asian Control Conference, Istanbul, Turkey, June 23-26, 2013.
[13] Houbao Xu, Weiwei Hu, Modelling and analysis of repairable systems with preventive maintenance, Applied Mathematics and Computation, 224, pp 46-53, 2013.
[14] Wang Zhixia, He Xu, Meng Yanxing, Xu Houbao Steady availability optimisation of repairable system with preventive maintenance policy. 2013 25th Chinese Control and Decision Conference (CCDC), GuiYang, China, pp. 2924-2929, May 25-May 27, 2013. 2013.
[15] J. Wang, X. Cai, Y. B. Tian, H. B. Xu and L. Ren Reliability analysis for VDMOS under 150 centigrade. International Conference on Quality, Reliability, Risk, Maintenance and Safety Engineering (QR2MSE), DaLian, China. pp.617-624. July 22- July 25. 2014.
[16] Houbao Xu, Availability analysis for software system with intrusion tolerance, Applied Mathematics and Computation, 252, pp 64-76, 2015
[17] Fan Ruo-nan XU Houbao and Tian Jia-yan. Instantaneous Reliability Index of a Typical Repairable System. Journal of Donghua University(English Edition) 32(6), pp. 1038-1041, 2015

Visiting Positions Visiting Scholar, Virginia Technology, USA (2010-2011)

Research Projects Distributed Parameter system; System Reliability.

Awards, Honors and Recognitions
Graduate Students Wang hu (王虎)
Li Zhihui (李智慧)
Zhang Xiuting (张秀婷)
Wang Zhixia (王志霞)
Meng Yanxing (孟艳星)
Fan Ruonan (范若楠)
Wang Jun (王骏)
Tian Jiayan (田佳艳)
Liu Shuo (刘硕)
Zhu Yuanzheng (朱远征)
Li Pengfei (李鹏飞)
Wang Ting (王亭)
Li Lengzhe (李凌泽)
Chen He (陈贺)

Conference Talks and Invited Presentations 1. Asymptotic stability of software systems with rejuvenation policy. Proceeding of the 26th CCC’07, Zhangjiajie, China, July, 26-31, 2007.
2. Stability of a general repariable human-machine system. The IEEE International Conference on Industrial Engineering and Engineering Management. Singapore, December, 2008.
3. Stability analysis and calculation for repairable systems. Academic Conference on mathematical control theory and application for Young Scholars, Shanghai, China, July, 2012.
4. Steady availability optimization of repairable system with preventive maintenance policy. International Conference on Analytic Mathematics and its Applications (ICAMA2013), Tianjing, China, August 1 -4, 2013.
5. Numerical Analysis of a Reparable Multi-State Device. 9^th Asian Control Conference (ASCC). Istanbul, Turkey, June 23-26, 2013.
6. Instantaneous Reliability Index of A Typical Repairable System . Proceedings of 2015 International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering, Beijing, China, July 21-24, 2015.
7. Approximating Method for Instantaneous Indexes of a Repairable System 8th International Congress on Industrial and Applied Mathemat, Beijing, China, August 10 - 14, 2015
8. Reliability analysis for Explosive Gap Null Gate. 7^th Mathematics and National Defense Technology Conference. Guiyang, China, July 29 - August 2, 2016.

Conference Organization
Grants & Scholarships Assessor Grant Number: NSFC ** (2008.1-2008.12).
Title: Functional Analysis in Studying Software System with Rejuvenation Policy ()
Grant Number: NSFC **(2011.01 – 2013.12)
Title: Deterministic Theory in Analyzing the Reliability and Stability of Repairable Systems
Grant Number: U** (2015.01 – 2017.12)
Title:Functional Reliability Study on the Explosive Gap Null Gate.

International Refereed Journals EuropeanJournalofAppliedMathematics;
Applied Mathematics and Computation;
ReliabilityEngineering&SystemSafety

International Refereed Proceedings Chinese Control Conference
Asian control conference